Aragonite and Agate Opal Physical Properties

Aragonite

Agate Opal

Add ⊕

1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Dilute acid

Not Available

1.2 Durability

Not Available

1.5 Specific Gravity

2.93-2.961.98-2.50

1 7.18

2.5 Fracture

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

Conchoidal, Conchoidal, Gemstones of the world (2001)

2.6 Cleavage

Distinct on {010}, imperfect {110} and {011}

Not Available

2.7 Mohs Hardness

3.5-45.5-6.5

2 10

2.11 Chemical Composition

CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Aragonite and Agate Opal Chemical Formula

While comparing Aragonite and Agate Opal physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Aragonite and Agate Opal chemical formula.

Chemical formula of Aragonite- CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Agate Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Compare Gems for Virgo

Aragonite Vs Peridot

Aragonite Vs Zircon

Aragonite Vs Variscite

Aragonite and Agate Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Aragonite and Agate Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Aragonite and Agate Opal Optical Properties during the identification of gemstone. Specific gravity of Aragonite is 1.98-2.50 whereas that of Agate Opal is 1.98-2.50.